15.Niigata.ken, Life expectancy at birth (period, 1x5) Last modified:2022-12-12, ver.004_003 JMD(IPSS) Year Female Male Total 1975-1979 77.61 72.08 74.91 1980-1984 79.61 73.91 76.85 1985-1989 81.44 75.58 78.63 1990-1994 82.80 76.51 79.77 1995-1999 84.15 77.15 80.75 2000-2004 85.53 78.19 81.96 2005-2009 86.46 79.16 82.90 2010-2014 86.88 79.90 83.45 2015-2019 87.36 80.91 84.19 2020-2021 87.66 81.41 84.57